Trending
CVE-2026-56355

CVE detail

CVE-2026-56355

GNU Savannah Administration Savane through 3.17 uses untrusted data as part of authorization.

CVSS 3.7 · LowBuzz score 37.5

Buzz score

Why this CVE is surfacing

Buzz score total 37.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 19.5 · diversity 18.0 · KEV 0.0 · OTX 0.0 · PoC 0.0

Mention score

19.5

6 evidence mentions in the snapshot

Diversity score

18.0

5 sources across 3 categories

KEV score

0.0

No KEV entry observed

OTX score

0.0

0 OTX pulses

PoC score

0.0

0 repos · best confidence N/A

Best PoC traction

Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions: 0; within the 30d window
Peak daily: 0; highest bucket

Evidence

Source links by recency

Newest mentions first

6 source links · newest first

https://www.mallory.ai/stories/019ee445-bdd4-7775-93b5-a8faaf5c2eb7www.mallory.ai
No excerpt available.
referencewww.mallory.aiJun 20, 2026, 9:16 PM
https://www.hacktron.aiwww.hacktron.ai
No excerpt available.
referencewww.hacktron.aiJun 20, 2026, 9:16 PM
https://www.fsf.org/news/statement-regarding-gnu-savannah-security-reportswww.fsf.org
No excerpt available.
referencewww.fsf.orgJun 20, 2026, 9:16 PM
https://news.ycombinator.com/item?id=48605220news.ycombinator.com
No excerpt available.
Issue Trackingnews.ycombinator.comJun 20, 2026, 9:16 PM
https://cgit.git.savannah.gnu.org/cgit/administration/savane.git/tree/frontend/php/file.php?h=release-3.17#n123cgit.git.savannah.gnu.org
No excerpt available.
Patchcgit.git.savannah.gnu.orgJun 20, 2026, 9:16 PM
https://cgit.git.savannah.gnu.org/cgit/administration/savane.git/tree/frontend/php/file.php?h=release-3.17#n113cgit.git.savannah.gnu.org
No excerpt available.
Patchcgit.git.savannah.gnu.orgJun 20, 2026, 9:16 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars

No public PoC repositories have been matched yet.

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External lookup

Potential internet exposure

Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2026-56355.

Product-level CPE searches intentionally omit version fields and NVD version-range or configuration certainty. Verify the exact product version and configuration independently.

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Product CPE queries

Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.

Product query unavailableNo valid raw CPE 2.3 product record is available for this CVE, so no product-level Shodan query is shown.

Exact CVE query

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Shodan's exact vuln: filter is separate from the product searches above and requires an eligible paid Shodan plan.

vuln:CVE-2026-56355Search this CVE on Shodan

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Metadata

Canonical fields

NVD status

Deferred

Published

Jun 20, 2026

Modified

Jun 22, 2026

Official record

Authoritative NVD record

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE IDs

Vendor classifications

Unavailable

How this vector reads

CVSS 3.1 base metrics decoded below. This explanation does not recalculate or change the NVD score.

Attack Vector (AV): Network. The vulnerable system can be reached across network boundaries.
Attack Complexity (AC): High. Successful exploitation depends on conditions outside the attacker's control.
Privileges Required (PR): None. The attacker needs no privileges on the vulnerable system.
User Interaction (UI): None. Exploitation does not require another user to act.
Scope (S): Unchanged. Impacts remain within the vulnerable security authority.
Confidentiality Impact (C): Low. There is a limited impact to this security property.
Integrity Impact (I): None. There is no direct impact to this security property.
Availability Impact (A): None. There is no direct impact to this security property.

Signals

Exploitation indicators

0 stored signals · no KEV · 0 OTX pulses